Kesha Performs Bob Dylan Tribute After All as a ‘Screw You’ to Dr. Luke

Kesha got a small victory over Dr. Luke by pulling off the live performance he’s blocked her from doing at the Billboard Music Awards.

Her pal, Ben Folds, invited her onstage during his Wednesday night concert at L.A.’s Orpheum Theatre … and they did a somber version of Bob Dylan’s classic, “It Ain’t Me, Babe.”

Kesha said she wanted to do the song at Sunday night’s BMAs ceremony — but as TMZ first reported, Luke’s Kemosabe Records bigfooted her … and yanked its approval for her to play at the award show. Watch the performance and continue reading at TMZ…